Microsoft Lumia 640 XL

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amazon Microsoft Lumia 640 XL reviews

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Design

With a completely plastic exterior design, the Microsoft Lumia 640 XL looks solid and sturdy with a removable back cover. However, removing the back cover will be a bit difficult for new users. The edges of the machine are designed with a combination of four curved edges to help the machine is not too rough compared to the large screen size of the machine. Like the other phablet lines, the Lumia 640 XL also has a centralized layout of the power buttons, adjusting the volume on the right edge, while the left edge is completely empty.

The black version that Test Lab tested has a somewhat masculine back with a fairly large and bulky camera. However, thanks to this convex camera, the sound coming from the external speakers is not affected, so it can be heard clearly. Slippery back is also a disadvantage in the design of the machine, which makes the machine a bit difficult and easy.

Screen

The Microsoft Lumia 640 XL uses a 5.7 inch IPS LCD screen, which supports HD (1,280 by 720 pixels) resolution with pixel density of about 259 ppi. The machine is also equipped with Microsoft ClearBack display technology and Corning Gorilla Glass 3 tempered glass to better prevent scratches.

Test Lab found that the screen is one of the advantages of the Lumia 640 XL. In addition to its true color quality, sharpness and clarity, the screen of this mid-range phablet has a high viewing angle and contrast, so the image is clear when using the machine outdoors in the morning. The maximum brightness of the Lumia 640 XL is relatively high, and the built-in light sensor is also very responsive, so it’s quite comfortable to use it in any environment.

The built-in touch-sensitive Windows Phone buttons are not included on the bottom of the screen. Instead, the user must use the virtual function button inside the operating system. In addition, the screen of the Lumia 640 XL is easy to stain and fingerprints, so slightly inconvenient to the person has sweaty hands.

Camera

The Microsoft Lumia 640 XL is equipped with a 13-megapixel front-facing camera with Carl Zeiss optics, a 1/3 inch sensor that can capture up to 4,128×3,096 pixels and an integrated LED flash. The camera has a 5 megapixel front-facing camera with good selfie support and Full HD video recording.

Test Lab values ​​camera functionality and quality on the Lumia 640 XL. Photos taken from the main camera of the machine in good bright conditions, sharp, very honest and clear colors. The focus and shooting speed of the camera is also very fast and does not blur in sufficient light conditions. However, the nighttime shooting function of the machine is not very good, the image is quite noise and detail is not high. Night shots with built-in LED flash for pretty quality in color and detail. Flash has the ability to calibrate the photo is not glare due to the intensity of light.

The camera can shoot movies at Full HD resolution at 30 fps. The video quality is automatic, the day conditions are very smooth, clear and especially the sound is very clear.

Lumia Camera application is really versatile with many modes, option for you to take a beautiful photo. In addition to Auto mode, you can manually set parameters such as White Balance, focus, ISO, brightness compensation and lens focal length. Manipulation is simple, users just need to swipe from the capture icon (camera) to activate the menu and drag across the slider to change the parameters very convenient.

Especially the function of self-portrait with the front camera is built-in Lumia Selfie application to help users customize to get a selfie photos like the most. Beside the wide-angle camera, which can capture high-resolution images, Lumia Selfie can help to brighten, change the tone of the image as well as smooth the skin, change face size, whiten teeth, Very useful.

where can you get a Microsoft Lumia 640 XL online

Microsoft Lumia 640 XL 8GB Unlocked GSM Quad-Core WIndows Smartphone w/ 13MP Camera – Orange: Buy it now

Microsoft Lumia 640 XL 8GB Unlocked GSM Quad-Core WIndows Smartphone w/ 13MP Camera – Blue: Buy it now

Microsoft Lumia 640 XL 8GB Unlocked GSM Quad-Core WIndows Smartphone w/ 13MP Camera – Black: Buy it now

Lumia 640 XL Windows 8.1 Smartphone with 13MP Camera, 4G LTE 8GB, 5.7-Inch, Black (AT&T): Buy it now

Microsoft Lumia 640 XL Unlocked 8GB GSM Quad-Core Windows Smartphone with 13MP Camera (White): Buy it now

Operating system and features

Microsoft’s softphone phablet line comes pre-installed with Windows Phone 8.1 operating system with new Lumia Denim update with many improvements. Like the other Lumia line, the 640 XL inherits the advantages of the improved version of the operating system. For example, the Notifications feature helps to display information such as email, messages, missed calls, new applications with better customization. In addition, Windows Phone 8.1 adds the Cortana (Siri-like smart assistant), which is quite convenient for finding information and hands-free use. Test Lab appreciates the improvement of percussion in this upgrade.

In addition to TELEX, the keyboard of Windows Phone 8.1 also supports the convenient typing of Word Flow (typing by scanning the characters – similar to the typing of the SwiftKey Keyboard on Android.) Settings function has also been reorganized into functional groups that make it easier for users to find easier than the previous version.

Lumia Camera, HERE Maps, Mix Radio, etc. are also pre-installed. Users can add more applications from the Windows Phone Store to cater to their needs.

The 2-SIM dual-band Windows Phone is one of the features values. How to manage the connection of the SIM is very easy to use and intuitive. Each SIM will correspond to two tiles on the main interface is Phone and Messaging. To identify, the top of each icon will be numbered 1 or 2 to indicate the order of the SIM. Users can combine 2 SIMs into 1 for convenient management by “link tiles” in each Phone and Messaging function.

Performance and battery life

The Microsoft Lumia 640 XL is powered by a  SoC Qualcomm MSM8226 Snapdragon 400 with a CPU quad-core Cortex-A7 1.2GHz and an Adreno 305 graphics core. It has 8GB of internal memory, supports up to 128GB microSD, 1GB of RAM and 3,000 mAh of integrated battery.

The practical use of the machine on Windows Phone 8.1 makes Test Lab surprise, the machine is very smooth processing of all applications, tasks. Particularly for 3D games, the machine is somewhat slow startup, but when inside the game, the machine is still smooth processing with beautiful graphics.

Experimenting with the Antutu Benchmark tool shows the overall performance of the Lumia 640 XL scores equal Nokia Lumia 630 and higher than the Nokia Lumia 830.

The machine has a battery life of 2 days with normal use, Wi-Fi and 3G enabled continuously. This is an impressive result for a smartphone (which has a very low battery life).

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